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        <h1>使用换行,水平线</h1>
        <span>连在一起</span>
        <span>连在一起</span>
        
        <br/>
        <span>连在一起</span>
        <br/>
        <span>连在一起</span>

        <hr/>
        <span>连在一起</span>
        <hr/>
        <span>连在一起</span>
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